78413900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 179821824

約数和(自身を除く): 101407924

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 103, 115, 206, 230, 331, 412, 460, 515, 575, 662, 1030, 1150, 1324, 1655, 2060, 2300, 2369, 2575, 3310, 4738, 5150, 6620, 7613, 8275, 9476, 10300, 11845, 15226, 16550, 23690, 30452, 33100, 34093, 38065, 47380, 59225, 68186, 76130, 118450, 136372, 152260, 170465, 190325, 236900, 340930, 380650, 681860, 761300, 784139, 852325, 1568278, 1704650, 3136556, 3409300, 3920695, 7841390, 15682780, 19603475, 39206950, 78413900]

約数ペア:

[(1, 78413900), (2, 39206950), (4, 19603475), (5, 15682780), (10, 7841390), (20, 3920695), (23, 3409300), (25, 3136556), (46, 1704650), (50, 1568278), (92, 852325), (100, 784139), (103, 761300), (115, 681860), (206, 380650), (230, 340930), (331, 236900), (412, 190325), (460, 170465), (515, 152260), (575, 136372), (662, 118450), (1030, 76130), (1150, 68186), (1324, 59225), (1655, 47380), (2060, 38065), (2300, 34093), (2369, 33100), (2575, 30452), (3310, 23690), (4738, 16550), (5150, 15226), (6620, 11845), (7613, 10300), (8275, 9476)]